Dev Tools Essentials

Text Compare

Compare two texts by lines, words or chars. Search, synced scroll and export.

Tip: Ctrl+Enter - compare. Alt+Down/Up - next/prev diff.
Input
Paste two texts and choose options
Text A
Text B
Search in diff
Mode
Options
added deleted changed - Alt+/ - next/prev
Result
Two panels: A and B
A deletions/changes
B additions/changes
About this text compare tool
Diffs - side by side - privacy-first
Compare two texts and instantly highlight additions, removals, and changed lines.
This tool is useful for reviewing configs, logs, code snippets, and content drafts.
  • Side-by-side comparison with highlighted changes
  • Great for JSON, YAML, XML, env files, and logs
  • Copy your inputs and keep work local
  • Everything runs locally - no uploads
FAQ
Common questions
Do you upload my text anywhere?
No. The comparison runs in your browser. Your text is not sent to a server.
What kind of differences does it show?
It highlights changed lines and shows added/removed parts so you can review edits quickly.
Does it work for code and configs?
Yes. It works well for code snippets, .env files, JSON/YAML/XML, and logs.
Does this tool work offline?
Yes. After the first load, the page can work offline thanks to browser caching.
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